diff options
Diffstat (limited to 'drivers/acpi/button.c')
-rw-r--r-- | drivers/acpi/button.c | 56 |
1 files changed, 23 insertions, 33 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 63db284bb5cf..02594639c4d9 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -112,15 +112,14 @@ static int acpi_button_info_seq_show(struct seq_file *seq, void *offset) { struct acpi_button *button = (struct acpi_button *)seq->private; - ACPI_FUNCTION_TRACE("acpi_button_info_seq_show"); if (!button || !button->device) - return_VALUE(0); + return 0; seq_printf(seq, "type: %s\n", acpi_device_name(button->device)); - return_VALUE(0); + return 0; } static int acpi_button_info_open_fs(struct inode *inode, struct file *file) @@ -134,10 +133,9 @@ static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) acpi_status status; unsigned long state; - ACPI_FUNCTION_TRACE("acpi_button_state_seq_show"); if (!button || !button->device) - return_VALUE(0); + return 0; status = acpi_evaluate_integer(button->handle, "_LID", NULL, &state); if (ACPI_FAILURE(status)) { @@ -147,7 +145,7 @@ static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) (state ? "open" : "closed")); } - return_VALUE(0); + return 0; } static int acpi_button_state_open_fs(struct inode *inode, struct file *file) @@ -164,10 +162,9 @@ static int acpi_button_add_fs(struct acpi_device *device) struct proc_dir_entry *entry = NULL; struct acpi_button *button = NULL; - ACPI_FUNCTION_TRACE("acpi_button_add_fs"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; button = acpi_driver_data(device); @@ -195,19 +192,19 @@ static int acpi_button_add_fs(struct acpi_device *device) } if (!entry) - return_VALUE(-ENODEV); + return -ENODEV; entry->owner = THIS_MODULE; acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), entry); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; acpi_device_dir(device)->owner = THIS_MODULE; /* 'info' [R] */ entry = create_proc_entry(ACPI_BUTTON_FILE_INFO, S_IRUGO, acpi_device_dir(device)); if (!entry) - return_VALUE(-ENODEV); + return -ENODEV; else { entry->proc_fops = &acpi_button_info_fops; entry->data = acpi_driver_data(device); @@ -227,14 +224,13 @@ static int acpi_button_add_fs(struct acpi_device *device) } } - return_VALUE(0); + return 0; } static int acpi_button_remove_fs(struct acpi_device *device) { struct acpi_button *button = NULL; - ACPI_FUNCTION_TRACE("acpi_button_remove_fs"); button = acpi_driver_data(device); if (acpi_device_dir(device)) { @@ -249,7 +245,7 @@ static int acpi_button_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -260,10 +256,9 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data) { struct acpi_button *button = (struct acpi_button *)data; - ACPI_FUNCTION_TRACE("acpi_button_notify"); if (!button || !button->device) - return_VOID; + return; switch (event) { case ACPI_BUTTON_NOTIFY_STATUS: @@ -276,21 +271,20 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data) break; } - return_VOID; + return; } static acpi_status acpi_button_notify_fixed(void *data) { struct acpi_button *button = (struct acpi_button *)data; - ACPI_FUNCTION_TRACE("acpi_button_notify_fixed"); if (!button) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; acpi_button_notify(button->handle, ACPI_BUTTON_NOTIFY_STATUS, button); - return_ACPI_STATUS(AE_OK); + return AE_OK; } static int acpi_button_add(struct acpi_device *device) @@ -299,14 +293,13 @@ static int acpi_button_add(struct acpi_device *device) acpi_status status = AE_OK; struct acpi_button *button = NULL; - ACPI_FUNCTION_TRACE("acpi_button_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; button = kmalloc(sizeof(struct acpi_button), GFP_KERNEL); if (!button) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(button, 0, sizeof(struct acpi_button)); button->device = device; @@ -400,7 +393,7 @@ static int acpi_button_add(struct acpi_device *device) kfree(button); } - return_VALUE(result); + return result; } static int acpi_button_remove(struct acpi_device *device, int type) @@ -408,10 +401,9 @@ static int acpi_button_remove(struct acpi_device *device, int type) acpi_status status = 0; struct acpi_button *button = NULL; - ACPI_FUNCTION_TRACE("acpi_button_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; button = acpi_driver_data(device); @@ -438,31 +430,29 @@ static int acpi_button_remove(struct acpi_device *device, int type) kfree(button); - return_VALUE(0); + return 0; } static int __init acpi_button_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_button_init"); acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir); if (!acpi_button_dir) - return_VALUE(-ENODEV); + return -ENODEV; acpi_button_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_button_driver); if (result < 0) { remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } static void __exit acpi_button_exit(void) { - ACPI_FUNCTION_TRACE("acpi_button_exit"); acpi_bus_unregister_driver(&acpi_button_driver); @@ -474,7 +464,7 @@ static void __exit acpi_button_exit(void) remove_proc_entry(ACPI_BUTTON_SUBCLASS_LID, acpi_button_dir); remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir); - return_VOID; + return; } module_init(acpi_button_init); |